Lemma
MediumAlgebra word problems
AQuA-RAT train #647 · Algebra · Algebra word problems

Out of n consecutive natural numbers, four numbers are selected such that…

Out of n consecutive natural numbers, four numbers are selected such that the differences of all the possible pairs are distinct. What is the least value of n for which this is possible?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #647

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